Home / 19,624.76-27,063.56-15,141.40

Finding the Fourth Proportional to 19,624.76, 27,063.56 and 15,141.40

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Solution

The fourth proportional to 19,624.76, 27,063.56 and 15,141.40 is: 20,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,624.76 : 27,063.56 = 15,141.40 : x
  2. Step 2: Convert to fraction form
    19,624.76/27,063.56 = 15,141.40/x
  3. Step 3: Cross multiply
    19,624.76x = 27,063.56 × 15,141.40
  4. Step 4: Simplify right side
    19,624.76x = 409,780,187.38
  5. Step 5: Solve for x
    x = 409,780,187.38/19,624.76
  6. Step 6: Final answer
    x = 20,880.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.